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Criterion of steady-state coexistence of continuous microbial populations / A. G. Degermendzhi, N. S. Pechurkin, I. A. Terskov // Doklady Biophysics. - 1979. - Vol. VOL 244-246. - P82-85 . - ISSN 0012-4974
Кл.слова (ненормированные):
animal experiment -- bacterial growth -- bacterium culture -- ecology -- in vitro study -- nonbiological model -- preliminary communication

Scopus
Держатели документа:
L.V. Kirenskii Inst. Phys., Siberian Branch, Acad. Sci. USSR, Krasnoyarsk, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Degermendzhi, A.G.; Pechurkin, N.S.; Terskov, I.A.

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Competition of the natural and manmade biotic cycles in the closed aquatic system / T. I. Pisman, L. A. Somova // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1757-1761, DOI 10.1016/S0273-1177(03)00117-0 . - ISSN 0273-1177
Кл.слова (ненормированные):
Carbon dioxide -- Glucose -- Nitrogen compounds -- Oxygen -- Biotic cycle -- Space research -- carbon dioxide -- nitrogen -- aquatic ecosystem -- biosphere -- competition (ecology) -- endosymbiont -- animal -- article -- bacterium -- Chlorella -- comparative study -- culture medium -- food chain -- growth, development and aging -- metabolism -- microbiology -- microclimate -- Paramecium -- photosynthesis -- physiology -- symbiosis -- time -- Animals -- Bacteria -- Carbon Dioxide -- Chlorella -- Culture Media -- Ecological Systems, Closed -- Food Chain -- Nitrogen -- Paramecium -- Photosynthesis -- Symbiosis -- Time Factors -- Water Microbiology
Аннотация: This study addresses competition between the Paramecium bursaria and zoochlorella - endosymbiosis and the infusoria Paramecium caudatum in a closed aquatic system. The system is a natural model of a simple biotic cycle. P. bursaria consumes glucose and oxygen released by its zoochlorella and releases nitrogenous compounds and carbon dioxide necessary for algal photosynthesis. P. caudatum was fed on bacteria. It was shown that the infusoria P. bursaria united in one cycle with Chlorella had a higher competitive ability than P. caudatum. With any initial percentage of the infusoria in the mixed culture, the end portion of P. bursaria reached 90 - 99%, which was significantly higher than the end portion of the P. caudatum population. It is assumed that the sustenance expenditures of P. caudatum were greater than those of the endosymbiotic paramecium, i.e. the closing of the components into a biotic cycle leads to a decrease in sustenance expenditures. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Somova, L.A.

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Catalase activity as a potential indicator of the reducer component of small closed ecosystems / A. B. Sarangova, L. A. Somova, T. I. Pisman // Advances in Space Research. - 1997. - Vol. 20, Is. 10. - P1945-1948 . - ISSN 0273-1177
Кл.слова (ненормированные):
carboxymethylcellulose -- catalase -- animal -- article -- Bacillus -- bacterial count -- Chlorella -- culture medium -- enzymology -- growth, development and aging -- metabolism -- microclimate -- Paramecium -- Animals -- Bacillus -- Carboxymethylcellulose -- Catalase -- Chlorella -- Colony Count, Microbial -- Culture Media -- Ecological Systems, Closed -- Paramecium
Аннотация: Dynamics of catalase activity has been shown to reflect the growth curve of microorganisms in batch cultivation (celluloselythic bacteria Bacillus acidocaldarius and bacteria of the associated microflora Chlorella vulgaris). Gas and substrate closure of the three component ecosystems with spatially separated components "producer-consumer-reducer" (Chl. vulgaris-Paramecium caudatum-B. acidocaldarius, two bacterial strains isolated from the associated microflora Chl. vulgaris) demonstrated that the functioning of the reducer component can be estimated by the catalase activity of microorganisms of this component. В© 1997 COSPAR. Published by Elsevier Science Ltd.

Scopus
Держатели документа:
Institute of Biophysics, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sarangova, A.B.; Somova, L.A.; Pisman, T.I.

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Experimental and mathematical models for small aqueous closed ecosystems with spatially separated components / T. I. Pisman [et al.] // Advances in Space Research. - 1999. - Vol. 24, Is. 3. - P361-366, DOI 10.1016/S0273-1177(99)00486-X . - ISSN 0273-1177
Кл.слова (ненормированные):
carbon dioxide -- nitrogen -- oxygen -- quaternary ammonium derivative -- aquatic environment -- artificial ecosystem -- ecological modeling -- trophic interaction -- animal -- article -- biological model -- Candida -- Chlorella -- fermentation -- mathematics -- metabolism -- microclimate -- Paramecium -- photosynthesis -- Animals -- Candida -- Carbon Dioxide -- Chlorella -- Ecological Systems, Closed -- Fermentation -- Mathematics -- Models, Biological -- Nitrogen -- Oxygen -- Paramecium -- Photosynthesis -- Quaternary Ammonium Compounds
Аннотация: Experimental and theoretical models of closed 'autotroph-heteretroph' (chlorella-yeast, chlorella- protozoa) ecosystems with spatially separated components have been created and studied. The chart of flows and interaction of components of gas-closed 'chlorella-yeast' system have formed the basis describe mathematically the functioning of the given system, experimental results have been found to agree with computer solution of the problem in terms of quality. Investigation of the experimental model of the 'producer-consumer' trophic chain demonstrated the role of protozoa in nitrogen turnover. 'Production-decomposition' and 'production-grazing-decomposition' cycle models has been theoretically analyzed and compared. The predator has been shown to be a more intensive mineralizer than the reducer component.

Scopus
Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Krasnoyarsk 6600036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Pechurkin, N.S.; Babkin, A.V.; Somova, L.A.; Sarangova, A.B.

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Experimental models of small closed systems with spatially separated unicellular organism-based components. / T. I. Pis'man [et al.] // Life support & biosphere science : international journal of earth space. - 1999. - Vol. 6, Is. 2. - P133-139 . - ISSN 1069-9422
Кл.слова (ненормированные):
carbon dioxide -- nitrogen -- animal -- article -- biomass -- Candida -- Chlorella -- ecosystem -- growth, development and aging -- metabolism -- microclimate -- Paramecium -- photosynthesis -- physiology -- Animals -- Biomass -- Candida -- Carbon Dioxide -- Chlorella -- Ecological Systems, Closed -- Ecosystem -- Nitrogen -- Paramecium -- Photosynthesis
Аннотация: Experimental models of small biotic cycles of different degree of closure and complexity with spatially separated components based on unicellular organisms have been studied. Gas closure of components looped into "autotroph-heterotroph" (chlorella-yeast) system doubled the lifetime of the system (as opposed to individually cultivated components). Higher complexity of the heterotroph component consisting of two yeast species also increased the lifetime of the system through more complete utilization of the substrate by competing yeast species. The lifetime of gas and substrate closed "producer-consumer" trophic chain (chlorella-paramecia) increased to 7 months. In 60 days the components' numbers reached their steady state followed by more than 40 cycles of the medium. The role of a predator organism (protozoan) in nitrogen cycling was demonstrated; reproduction of protozoa correlated directly with their emission of nitrogen in the ammonia form that is most optimum for growth of chlorella.

Scopus
Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch), Krasnoyarsk, Russia. : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pis'man, T.I.; Pechurkin, N.S.; Sarangova, A.B.; Somova, L.A.

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Populational stability of the luminescent bacterium Photobacterium leiognathi in continuous culture / N. S. Pechurkin [et al.] // Doklady Biological Sciences. - 1987. - Vol. 294, Is. 1-6. - P269-272 . - ISSN 0012-4966
Кл.слова (ненормированные):
animal cell -- nonhuman -- photobacterium leiognathi

Scopus
Держатели документа:
Institute of Biophysics, Academy of Sciences of the USSR, Krasnoyarsk, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pechurkin, N.S.; Brilkov, A.V.; Bogucharov, A.A.; Pisman, T.I.; Gitelzon, I.I.

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Study of the efficiency of doxorubicin deposited in microparticles from resorbable bioplastotaneв„ў on laboratory animals with Ehrlich's solid carcinoma / E. I. Shishatskaya, A. V. Goreva, A. M. Kuzmina // Bulletin of Experimental Biology and Medicine. - 2013. - Vol. 154, Is. 6. - P773-777, DOI 10.1007/s10517-013-2053-0 . - ISSN 0007-4888
Кл.слова (ненормированные):
Bioplastotane -- controlled drug delivery systems -- Ehrlich's carcinoma -- microparticles -- resorbable polymers -- doxorubicin -- drug carrier -- animal experiment -- animal model -- animal tissue -- antineoplastic activity -- article -- cancer inhibition -- controlled study -- drug delivery device -- drug delivery system -- drug dosage form comparison -- drug efficacy -- drug mechanism -- Ehrlich ascites tumor -- encapsulation -- leukocyte count -- mouse -- multiple cycle treatment -- nonhuman -- oncological parameters -- tumor volume -- tumor weight -- Animalia -- Mus
Аннотация: Antitumor efficiency of an experimental form of an experimental form of anthracyclin antibiotic (doxorubicin), resorbable microparticles from Bioplastotaneв„ў, was studied on laboratory mice with transplanted Ehrlich's solid carcinoma. Use of the experimental form of the cytostatic in polymeric microparticles from resorbable Bioplastotaneв„ў in animals with solid tumor led to inhibition of the cancerous process, comparable to that in response to intravenous free doxorubicin, but without negative effects on the blood system. В© 2013 Springer Science+Business Media New York.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Institute of Basic Biology and Biotechnology, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Goreva, A.V.; Kuzmina, A.M.

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A comparative investigation of biodegradable polyhydroxyalkanoate films as matrices for in vitro cell cultures [Text] / E. I. Shishatskaya, T. G. Volova // J. Mater. Sci.-Mater. Med. - 2004. - Vol. 15, Is. 8. - P915-923, DOI 10.1023/B:JMSM.0000036280.98763.c1. - Cited References: 34 . - 9. - ISSN 0957-4530

РУБ Engineering, Biomedical + Materials Science, Biomaterials
Рубрики:
DEGRADATION
   POLY(3-HYDROXYBUTYRATE)
   POLYESTERS
   POLYMERS
Аннотация: The paper describes the production and investigation of flexible films made of high-purity polyhydroxyalkanoates (PHAs) - polyhydroxybutyrate [poly-(3HB)] and poly-3-hydroxybutyrate-co-poly-3-hydroxyvalerate [poly(3Hl3-co-3HV)], containing 4-30 mol % hydroxyvalerate. Poly(3HB-co-3HV) films have a more porous structure than poly-(3HB) films, which are more compact, but their surface properties, such as wettability and surface and interface energies, are the same. Sterilisation of the PHA films by conventional methods (heat treatment and gamma-irradiation) did not impair their strength. Cells cultured on PHA films exhibited high levels of cell adhesion. Cell morphology, protein synthesis and DNA synthesis were estimated by extent of H-3-thymidine incorporation into the animal cell cultures of various origins (fibroblasts, endothelium cells, and isolated hepatocytes) in direct contact with PHAs. The investigation showed that this material can be used to make matrices for in vitro proliferous cells. The investigated properties of poly-(3HB) and poly(3HB-co-3HV) films proved to be fundamentally similar. (C) 2004 Kluwer Academic Publishers.

Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 60036, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Volova, T.G.

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Multiple antibiotic resistance of heterotrophic bacteria in the littoral zone of Lake Shira as an indicator of human impact on the ecosystem / T. I. Lobova [et al.] // Microbiological Research. - 2008. - Vol. 163, Is. 2. - P152-160, DOI 10.1016/j.micres.2006.03.014 . - ISSN 0944-5013
Кл.слова (ненормированные):
Antibiotic resistance -- Aquatic ecosystems -- Heterotrophic bacteria -- Human impact -- Monitoring -- Antibiotics -- Bacteria -- Ecosystems -- Environmental impact -- Mammals -- Antibiotic resistance -- Aquatic ecosystems -- Heterotrophic bacteria -- Materials -- antiinfective agent -- fresh water -- allochthony -- anthropogenic effect -- antibiotic resistance -- bacterium -- concentration (composition) -- heterotrophy -- intertidal environment -- monitoring -- recreational facility -- spring (season) -- summer -- animal -- article -- bacterial count -- bacterium -- drug effect -- ecosystem -- environmental monitoring -- heterotrophy -- human -- isolation and purification -- methodology -- microbiological examination -- microbiology -- multidrug resistance -- Russian Federation -- season -- Animals -- Anti-Bacterial Agents -- Bacteria -- Colony Count, Microbial -- Drug Resistance, Multiple, Bacterial -- Ecosystem -- Environmental Monitoring -- Fresh Water -- Heterotrophic Processes -- Humans -- Microbial Sensitivity Tests -- Russia -- Seasons -- Eurasia -- Khakassia -- Lake Shira -- Russian Federation -- Animalia -- Bacteria (microorganisms)
Аннотация: Resistance to Ampicillin and Kanamycin displayed by heterotrophic bacteria isolated in Summer and in Spring from the littoral and the central parts of Lake Shira (a therapeutic lake in the Khakasia Republic, Russia) has been investigated. It has been found that in Summer, human and animal microflora featuring multiple antibiotic resistance (to Ampicillin and Kanamycin) predominates in all the studied stations of the littoral zone of the lake. In Spring, concentrations of bacteria featuring multiple antibiotic resistance decrease significantly and bacteria sensitive to antibiotics predominate in the lake. Emergence of multiple antibiotic resistance in bacteria of Lake Shira is caused by the input of allochthonous bacteria into the lake; this feature of heterotrophic bacteria of Lake Shira can be used to monitor the impact on the ecosystem made by health resorts. В© 2006 Elsevier GmbH. All rights reserved.

Scopus
Держатели документа:
LTD Territory-oriented information systems, Institute of Computational Modeling, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Akademgorodok 50, 660036, Russian Federation
Center of Hygiene and Epidemiology in Krasnoyarsk Region, Sopochnaya 38, Russian Federation
Krasnoyarsk Scientific Centre, Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Lobova, T.I.; Barkhatov, Y.V.; Salamatina, O.V.; Popova, L.Yu.

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10.

Modeling the growth and morphogenesis of malignant tumors / V. A. Slepkov, V. G. Sukhovol'skii, R. G. Khlebopros // Doklady Biochemistry and Biophysics. - 2006. - Vol. 411, Is. 1. - P342-345, DOI 10.1134/S1607672906060056 . - ISSN 1607-6729
Кл.слова (ненормированные):
animal -- article -- biological model -- cancer invasion -- cell proliferation -- computer simulation -- human -- morphogenesis -- neoplasm -- pathology -- pathophysiology -- Animals -- Cell Proliferation -- Computer Simulation -- Humans -- Models, Biological -- Morphogenesis -- Neoplasm Invasiveness -- Neoplasms

Scopus
Держатели документа:
Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
International Research Center for Extreme Body States, Presidium of the Krasnoyarsk Research Center, Siberian Division, Akademogorogok, Krasnoyarsk, 660036, Russian Federation
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Slepkov, V.A.; Sukhovol'skii, V.G.; Khlebopros, R.G.

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11.

An optimization model of competition between species for resource. / V. G. Sukhovol'skii, R. G. Khlebopros, T. R. Iskhakov // Doklady. Biochemistry and biophysics. - 2003. - Vol. 390. - P171-173 . - ISSN 1607-6729
Кл.слова (ненормированные):
animal -- article -- biological model -- comparative study -- competitive behavior -- computer simulation -- ecosystem -- evaluation -- growth, development and aging -- insect -- physiology -- plankton -- population dynamics -- population growth -- quality control -- species difference -- validation study -- Animals -- Competitive Behavior -- Computer Simulation -- Ecosystem -- Insects -- Models, Biological -- Plankton -- Population Dynamics -- Population Growth -- Quality Control -- Species Specificity

Scopus
Держатели документа:
Sukachev Institute of Forest, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036 Russia. : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sukhovol'skii, V.G.; Khlebopros, R.G.; Iskhakov, T.R.

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12.

Microencapculation of daunorubicin with biodegradable polymer matrix / E. I. Shishatskaya // Antibiotiki i Khimioterapiya. - 2007. - Vol. 52, Is. 9-10. - С. 3-8 . - ISSN 0235-2990
Кл.слова (ненормированные):
Daunorubicin -- Microencapsulation -- Polymer matrix -- antineoplastic antibiotic -- daunorubicin -- polyester -- animal -- article -- Bagg albino mouse -- chemistry -- kinetics -- microcapsule -- mouse -- particle size -- Animals -- Antibiotics, Antineoplastic -- Capsules -- Daunorubicin -- Kinetics -- Mice -- Mice, Inbred BALB C -- Particle Size -- Polyesters -- Animalia
Аннотация: Procedure for microencapsulation providing stable formation of high quality microspheres was designed. Conditions for deposition of the anthracycline antibiotic daunorubicin to polymer matrix were developed and microsheres loaded with various quantities of the drug were prepared. The kinetics of the in vitro and in vivo release of daunorubicin from the microsheres was studied. The rate of the rubomycin release to the medium in vitro (balanced phosphate buffer at 37.8В°C) in a 300-hour experiment directly depended on the quantity of the incorporated drug and averaged 0.81 В· 10 -4 to 2.3 В· 10 -4 mcg/mlВ·h. The experiment on laboratory animals with intraperitoneal administration of the rubomycin microsperes showed that the drug remained in the blood and abdominal liquid for a long time (up to 10 days). Possible control of the quantity of the rubomycin encapsulation to the polymer matrix, no sharp efflux of the drug at the early stages of the observation and low rate of the drug release to the medium allowed to conclude that the use of the biodegradable polymer microsperes as carriers of the high toxic antibiotic providing its prolonged action was prospective.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.

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13.

Modelling of genetically engineered microorganisms introduction in closed artificial microcosms / N. S. Pechurkin [et al.] // Advances in Space Research. - 1999. - Vol. 24, Is. 3. - P335-341, DOI 10.1016/S0273-1177(99)00320-8 . - ISSN 0273-1177
Кл.слова (ненормированные):
aquatic environment -- artificial ecosystem -- ecological modeling -- genetically modified organism -- alga -- animal -- article -- bacterial count -- bacterial gene -- biological model -- biomass -- Escherichia coli -- feasibility study -- genetic engineering -- genetics -- growth, development and aging -- microbiology -- microclimate -- Photobacterium -- plasmid -- protozoon -- time -- yeast -- Algae -- Animals -- Biomass -- Colony Count, Microbial -- Ecological Systems, Closed -- Escherichia coli -- Feasibility Studies -- Genes, Bacterial -- Genetic Engineering -- Models, Biological -- Photobacterium -- Plasmids -- Protozoa -- Time Factors -- Water Microbiology -- Yeasts
Аннотация: The possibility of introducing genetically engineered microorganisms (GEM) into simple biotic cycles of laboratory water microcosms was investigated. The survival of the recombinant strain Escherichia coli Z905 (Ap(r), Lux+) in microcosms depends on the type of model ecosystems. During the absence of algae blooming in the model ecosystem, the part of plasmid-containing cells E.coli decreased fast, and the structure of the plasmid was also modified. In conditions of algae blooming (Ankistrodesmus sp.) an almost total maintenance of plasmid-containing cells was observed in E.coli population. A mathematics model of GEM's behavior in water ecosystems with different level of complexity has been formulated. Mechanisms causing the difference in luminescent exhibition of different species are discussed, and attempts are made to forecast the GEM's behavior in water ecosystems.

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pechurkin, N.S.; Brilkov, A.V.; Ganusov, V.V.; Kargatova, T.V.; Maksimova, E.E.; Popova, L.Yu.

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14.

Role of essential fatty acids in trophometabolic interactions in the freshwater ecosystems (a review) / N. N. Sushchik // Zhurnal Obshchei Biologii. - 2008. - Vol. 69, Is. 4. - С. 299-316 . - ISSN 0044-4596
Кл.слова (ненормированные):
essential fatty acid -- fresh water -- animal -- article -- ecosystem -- fish -- food chain -- human -- metabolism -- phytoplankton -- zooplankton -- Animals -- Ecosystem -- Fatty Acids, Essential -- Fishes -- Food Chain -- Fresh Water -- Humans -- Phytoplankton -- Zooplankton -- algae -- Animalia -- Bacteria (microorganisms) -- Invertebrata -- Vertebrata
Аннотация: Polyunsaturated fatty acids (PUFA) of ?3 family are of crucial physiological importance for the most animals and they are an essential and deficient component of human nutrition. These compounds are most effectively synthesized by some groups of algae, hence, aquatic ecosystems are considered to be the main source of these PUFA for human nutrition. Factors controlling the content and distribution of ?3 PUFA in freshwater organisms of basic trophic levels and determined PUFA final production in freshwater ecosystems are considered in the review. PUFA biosynthesis is known to be tightly related to basic fatty acid metabolic pathways. Hence, fatty composition and the PUFA content of major freshwater hydrobiont groups, including bacteria, algae, invertebrates and vertebrates, and environmental and population age effects are described. The peculiarities of PUFA transfer between organisms of various trophic levels are discussed. The essential ?3 PUFA is one of the important parameter of food quality of aquatic consumers and they can determine the rate of energy and matter transfer between producers and primary consumers and, as a result, in a whole freshwater food chain. Analysis of PUFA content and its regulation in biomass of various fish populations indicates that freshwater ecosystems are of the same value in respect of PUFA sources as marine ecosystems. Despite the great practical importance, the studies focused on production and whole pools of ?3 PUFA in different freshwater ecosystems are still scarce and need to be continued.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.

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15.

Biological-physical-chemical aspects of a human life support system for a lunar base / J. I. Gitelson [et al.] // Acta Astronautica. - 1995. - Vol. 37, Is. C. - P385-394 . - ISSN 0094-5765
Кл.слова (ненормированные):
animal -- aquaculture -- article -- biomass -- construction work and architectural phenomena -- Cyprinodontiformes -- filtration -- growth, development and aging -- human -- microbiology -- microclimate -- moon -- nutritional value -- photoperiodicity -- plant -- space flight -- standard -- Tilapia -- waste management -- water management -- wheat -- Animals -- Aquaculture -- Biomass -- Cyprinodontiformes -- Ecological Systems, Closed -- Facility Design and Construction -- Filtration -- Humans -- Life Support Systems -- Moon -- Nutritive Value -- Photoperiod -- Plants, Edible -- Space Flight -- Tilapia -- Triticum -- Waste Management -- Water Microbiology -- Water Purification
Аннотация: To create a life support system based on biological and physical-chemical processes is the optimum solution providing full-valued condidtions for existence and efficient work of people at a lunar base. Long-standing experinece in experimental research or closed ecosystems and their components allows us to suggest a realistic functional structure of the lunar base and to estimate qualitatively its parameters. The original restrictions are as follows: 1) the basic source of energy to support the biological processes has to be the solar radiation; 2) the initial amount of basic biological elelments forming the turnover of substances (C, O, H, P, K, N) has to be delivered from Earth; 3). Moon materials are not to be used in the biological turnover inside the base; 4) the base is to supply the crew fully with atmosphere and water, and with 90% (A scenario) or 40% (B scenario) of food. Experimental data about the plant productivity under the "Moon" rhythm of light and darkness allow us to suggest that the A scenario requires per one human: plant area - 40 m2 irradiated during the lunar day by 250-300 W/m2 PAR producing 1250 g of dry biomass a terrestrial day; a heterotrophic component of "biological incineration" of inedible plant biomass (800 g/day) including the aquaculture of fish to produce animal products and contaminating the environment less than birds and mammals, and the culture of edible mushrooms; a component of physical-chemical correction for the LSS envi ronment including the subsystems of: deep oxidation of organic impurities in the atmosphere and of water, organic wastes of human activity and that biological components (420 g/day) Co2 concentration in "Moon" nights, damping O2 in "Moon" days, etc. The stock of presotred or delivered from Earth substances (food additions, seeds, etc.) to be involved in biological turnover is to be about 50 kg/year per man. Increase of the mass of prestored substances per man up to 220 kg/year would reduce twice the plant area and consumed amount of radiant energy to exclude the components of "biological incineration" and physical-chemical destruction of organic wastes. В© 1995.

Scopus
Держатели документа:
Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) Krasnoyarsk, Russian Federation
Ruhr-University of Bochum, C.E.B.A.S. Center of Excellence., Bochum, Germany
Institute of Medical-Biological Problems, Moscow, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gitelson, J.I.; V, B.; Grigoriev, A.I.; Lisovsky, G.M.; Manukovsky, N.S.; Sinyak, Y.u.E.; Ushakova, S.A.

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16.

Perspectives of different type biological life support systems (BLSS) usage in space missions / S. I. Bartsev [et al.] // Acta Astronautica. - 1996. - Vol. 39, Is. 8. - P617-622, DOI 10.1016/S0094-5765(97)00012-X . - ISSN 0094-5765
Кл.слова (ненормированные):
article -- bacterium -- comparative study -- construction work and architectural phenomena -- environmental planning -- green alga -- human -- instrumentation -- mathematics -- microclimate -- moon -- plant -- quality of life -- space flight -- standard -- weightlessness -- Algae, Green -- Bacteria -- Ecological Systems, Closed -- Environment Design -- Environment, Controlled -- Facility Design and Construction -- Humans -- Life Support Systems -- Mathematics -- Moon -- Plants -- Quality of Life -- Space Flight -- Weightlessness -- Biology -- Life support systems (spacecraft) -- Spreadsheets -- Biological life support systems (BLSS) -- Lunar missions
Аннотация: In the paper an attempt is made to combine three important criteria of LSS comparison: minimum mass, maximum safety and maximum quality of life. Well-known types of BLSS were considered: with higher plant, higher plants and mushrooms, microalgae, and hydrogen-oxidizing bacteria. These BLSSs were compared in terms of "integrated" mass for the case of a vegetarian diet and a "normal" one (with animal proteins and fats). It was shown that the BLSS with higher plants and incineration of wastes becomes the best when the exploitation period is more than 1 yr. The dependence of higher plants' LSS structure on operation time was found. Comparison of BLSSs in terms of integral reliability (this criterion includes mass and quality of life criteria) for a lunar base scenario showed that BLSSs with higher plants are advantageous in reliability and comfort. This comparison was made for achieved level of technology of closing and for perspective one. В© 1997 Elsevier Science Ltd.

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Держатели документа:
Biophys. Inst. of SB RAS, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bartsev, S.I.; Gitelson, J.I.; Lisovsky, G.M.; Mezhevikin, V.V.; Okhonin, V.A.

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17.

Individual-based model of the reproduction cycle of Moina macrocopa (Crustacea: Cladocera) / E. S. Zadereev [et al.] // Ecological Modelling. - 2003. - Vol. 162, Is. 1-2. - P15-31, DOI 10.1016/S0304-3800(02)00348-4 . - ISSN 0304-3800
Кл.слова (ненормированные):
Change of reproduction mode -- Cladocera -- Individual-based model -- Metabolic by-products -- ecological modeling -- individual-based model -- reproductive cycle -- Animalia -- Cladocera -- Crustacea -- Moina macrocopa
Аннотация: An individual-based model of cyclic development of Cladocera populations was developed on the basis of experimental data. The model takes into account the following processes describing the development of an individual animal: maturation, transition into other reproductive classes, selection of the reproduction mode (parthenogenetic or gamogenetic), release of parthenogenetic progeny and death. The model assumes that switching from asexual to sexual reproduction is controlled by the concentration of food and metabolic by-products of the animal population. Verification of the model by independent experiments demonstrated that (1) during population growth, metabolic by-products build up in the medium, and (2) the effect of metabolic by-products on gamogenesis induction depends on concentration. The hypothesis that the effect of regulating reproductive switching factors should synchronise the development of population with the change of environmental conditions in order to ensure production of the maximum number of diapausing eggs was tested. It is shown that combination of regulating reproductive switching factors maximises the production of diapausing eggs. В© 2002 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Institute of Biophysics, Akademgorodok, 660036 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, E.S.; Prokopkin, I.G.; Gubanov, V.G.; Gubanov, M.V.

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18.

Chemical Interactions between Planktonic Crustaceans / E. S. Zadereev // Zhurnal Obshchei Biologii. - 2002. - Vol. 63, Is. 2. - С. 166-167 . - ISSN 0044-4596
Кл.слова (ненормированные):
animal -- animal communication -- chemistry -- Crustacea -- ecosystem -- physiology -- phytoplankton -- plankton -- review -- zooplankton -- Animal Communication -- Animals -- Crustacea -- Ecosystem -- Phytoplankton -- Plankton -- Zooplankton
Аннотация: Three levels of chemical communications involved plankton Crustacea are considered: 1) Influence of zooplankton excretion on phytoplankton; 2) Influence of zooplankton excretion on the individuals of the same or other species of the same trophic level; 3) Influence of chemical cues released by predatory zooplankton and fish on herbivorous zooplankton. The data on the influence of excreted cues on some physiological (growth, reproduction, feeding, etc.) and behavioural (vertical and horizontal migrations) characters of planktonic crustaceans are presented. Ecological role and chemistry cues responsible for the interactions of different trophic levels can be different. It is considered that chemical communications in aquatic ecosystems can be provided with: 1) Species-specific cues that strictly influence particular biological functions (communication system of feromone type); 2) Non-specific cues that strictly influence particular functions (system of regulator, that act at the whole ecosystem as the hormonal system of an organism). 3) Non-specific substances with broad (non-specidic) influence - toxic substances of "biocondition substances" according to classification of Novikov and Kharlamova (2000).

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Держатели документа:
Institute of Biophysics, Russian Academy of Science, Siberian Branch, Akademgorodok, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zadereev, E.S.

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19.

Mass exchange in an experimental new-generation life support system model based on biological regeneration of environment / A. A. Tikhomirov [et al.] // Advances in Space Research. - 2003. - Vol. 31, Is. 7. - P1711-1720, DOI 10.1016/S0273-1177(03)80017-0 . - ISSN 0273-1177
Кл.слова (ненормированные):
Biomass -- Photosynthesis -- Plants (botany) -- Transpiration -- Mass exchange -- Life support systems (spacecraft) -- ammonia -- nitrogen -- oxygen -- biosphere -- animal -- annelid worm -- article -- biological model -- biomass -- bioremediation -- evaluation -- growth, development and aging -- human -- metabolism -- microclimate -- photosynthesis -- Pleurotus -- radish -- wheat -- Ammonia -- Animals -- Biodegradation, Environmental -- Biomass -- Ecological Systems, Closed -- Evaluation Studies -- Humans -- Life Support Systems -- Models, Biological -- Nitrogen -- Oligochaeta -- Oxygen -- Photosynthesis -- Pleurotus -- Raphanus -- Triticum
Аннотация: An experimental model of a biological life support system was used to evaluate qualitative and quantitative parameters of the internal mass exchange. The photosynthesizing unit included the higher plant component (wheat and radish), and the heterotrophic unit consisted of a soil-like substrate, California worms, mushrooms and microbial microflora. The gas mass exchange involved evolution of oxygen by the photosynthesizing component and its uptake by the heterotroph component along with the formation and maintaining of the SLS structure, growth of mushrooms and California worms, human respiration, and some other processes. Human presence in the system in the form of "virtual human" that at regular intervals took part in the respirative gas exchange during the experiment. Experimental data demonstrated good oxygen/carbon dioxide balance, and the closure of the cycles of these gases was almost complete. The water cycle was nearly 100% closed. The main components in the water mass exchange were transpiration water and the watering solution with mineral elements. Human consumption of the edible plant biomass (grains and roots) was simulated by processing these products by a unique physicochemical method of oxidizing them to inorganic mineral compounds, which were then returned into the system and fully assimilated by the plants. The oxidation was achieved by "wet combustion" of organic biomass, using hydrogen peroxide following a special procedure, which does not require high temperature and pressure. Hydrogen peroxide is produced from the water inside the system. The closure of the cycle was estimated for individual elements and compounds. Stoichiometric proportions are given for the main components included in the experimental model of the system. Approaches to the mathematical modeling of the cycling processes are discussed, using the data of the experimental model. Nitrogen, as a representative of biogenic elements, shows an almost 100% closure of the cycle inside the system. The proposed experimental model of a biological system is discussed as a candidate for potential application in the investigations aimed at creating ecosystems with largely closed cycles of the internal mass exchange. The formation and maintenance of sustainable cycling of vitally important chemical elements and compounds in biological life support systems (BLSS) is an extremely pressing problem. To attain the stable functioning of biological life support systems (BLSS) and to maintain a high degree of closure of material cycles in them, it is essential to understand the character of mass exchange processes and stoichiometric proportions of the initial and synthesized components of the system. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

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Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Universite B. Pascal, Clermont-Ferrand, France
Environ. Control/Life Support Sect., ESA, Estec Noorwijk, Netherlands : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirov, A.A.; Ushakova, S.A.; Manukovsky, N.S.; Lisovsky, G.M.; Kudenko, Yu.A.; Kovalev, V.S.; Gubanov, V.G.; Barkhatov, Yu.V.; Gribovskaya, I.V.; Zolotukhin, I.G.; Gros, J.B.; Lasseur, Ch.

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20.

Competition between links in "producers-consumer" trophic chains in an aquatic closed system with spatially separated components / T. I. Pisman, N. S. Pechurkin, L. A. Somova // Advances in Space Research. - 2001. - Vol. 27, Is. 9. - P1599-1603, DOI 10.1016/S0273-1177(01)00255-1 . - ISSN 0273-1177
Кл.слова (ненормированные):
Algae -- Aquifers -- Biodiversity -- Metabolism -- Nitrogen -- Protozoa -- Aquatic closed systems -- Spatially separated components -- Space research -- aquatic ecosystem -- competition -- grazing -- primary production -- fresh water -- nitrogen -- animal -- article -- Chlorella -- food chain -- green alga -- metabolism -- microclimate -- Paramecium -- Rotifera -- Algae, Green -- Animals -- Chlorella -- Ecological Systems, Closed -- Food Chain -- Fresh Water -- Nitrogen -- Paramecium -- Rotifera
Аннотация: The work analyzes functioning of a "producer-consumer" closed aquatic system with spatially separated links, where each component consisted of two species. Producers in the system were the microalgae of Chlorella vulgaris and Scenedesmus sp., consumers - Paramecium caudatum infusoria and Brachionus sp. rotifers. In the experiment the competing predators were consuming on a mixed culture of algae, and the competition of algae was studied under nitrogen limitation. Under these conditions competitiveness of Scenedemus was higher than that of Chlorella vulgaris. Metabolism products of Scenedesmus algae have been found to have negative effect on reproduction of Paramecium caudatum protozoa. Predator population dynamics in the "consumer" link demonstrated that the rotifers that consume two algal species are more competitive compared to protozoa feeding on chlorella only. В© 2001 COSPAR. Published by Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pisman, T.I.; Pechurkin, N.S.; Somova, L.A.

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